Multiple choice

A gas produced by paddy fields and connected with global warming is

  1. CO2

  2. chlorine

  3. H2S

  4. methane
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Paddy fields produce methane through anaerobic decomposition of organic matter in flooded soil conditions. Methanogenic archaea break down organic material in the oxygen-depleted environment, releasing methane (CH4) which is a potent greenhouse gas connected with global warming. While CO2 is also a greenhouse gas, paddy fields are specifically noted for methane emissions.

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